SUDO Access (Redhat vs SUSE Linux)

SUDO Access (Redhat vs SUSE Linux):
RHCE:
1) Create the user
2) Add the user to Wheel group
3) Uncomment the Wheel group entries line in sudoers file.
4) User can able execute root users previledged command by executing sudo followed by the commands

SLES 9:
But in SLES Apart from above steps We have to comment out the following lines inorder to provide SUDO Access to the users.
# Defaults specificationDefaults targetpw # ask for the password of the target user i.e. root

Note:
Without commenting the above lines will ask only the root pwd to allow normal user to get sudo access.